Suppose whose size is nose population proportuoi a specified characteris sp=0.4. Complete parts (a) through (c) below. a) Describe the sampling distribution of p. Choose the phrase that best describes the shape of the sampling distribution below. O A. Approximately normal because ns0.05N and np(1- p) > 10. O B. Approximately normal because ns0.05N and np(1- p) < 10. O C. Not normal because ns0.05N and np(1 - p) 2 10. O D. Not normal because ns0.05N and np(1 - p) < 10. Determine the mean of the sampling distribution of p. | (Round to one decimal place as needed.) Determine the standard deviation of the sampling distribution of p. | (Round to six decimal places as needed.) b) What is the probability of obtaining x = 55 or more individuals with the characteristic? That is, what is P(p20.44)? P20.44) = D (Round to four decimal places as needed.) c) What is the probability of obtaining x = 40 or fewer individuals with the characteristic? That is, what is P(ps0.32)? (Round to four decimal places as needed.)

Suppose whose size is nose population proportuoi a specified characteris sp=0.4. Complete parts (a) through (c) below. a) Describe the sampling distribution of p. Choose the phrase that best describes the shape of the sampling distribution below. O A. Approximately normal because ns0.05N and np(1- p) > 10. O B. Approximately normal because ns0.05N and np(1- p) < 10. O C. Not normal because ns0.05N and np(1 - p) 2 10. O D. Not normal because ns0.05N and np(1 - p) < 10. Determine the mean of the sampling distribution of p. | (Round to one decimal place as needed.) Determine the standard deviation of the sampling distribution of p. | (Round to six decimal places as needed.) b) What is the probability of obtaining x = 55 or more individuals with the characteristic? That is, what is P(p20.44)? P20.44) = D (Round to four decimal places as needed.) c) What is the probability of obtaining x = 40 or fewer individuals with the characteristic? That is, what is P(ps0.32)? (Round to four decimal places as needed.)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

Suppose a simple random sample of size n= 125 is obtained from a population whose size is N = 20,000 and whose population proportion with a specified characteristic
is p = 0.4. Complete parts (a) through (c) below.
(a) Describe the sampling distribution of p.
Choose the phrase that best describes the shape of the sampling distribution below.
O A. Approximately normal because ns0.05N and np(1- p) 2 10.
O B. Approximately normal because ns0.05N and np(1- p) < 10.
O C. Not normal because ns0.05N and np(1- p) 2 10.
O D. Not normal because ns0.05N and np(1 - p)< 10.
Determine the mean of the sampling distribution of p.
= (Round to one decimal place as needed.)
Determine the standard deviation of the sampling distribution of p.
=(Round to six decimal places as needed.)
(b) What is the probability of obtaining x= 55 or more individuals with the characteristic? That is, what is P(p20.44)?
P(p20.44) =
(Round to four decimal places as needed.)
(c) What is the probability of obtaining x = 40 or fewer individuals with the characteristic? That is, what is P(ps0.32)?
P(ps0.32) = (Round to four decimal places as needed.)

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